The first museum in the world devoted to sexual gadgetry.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

Walk through Czech history in Prague's largest graveyard.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

A Jenga-style cylindrical tower of books that appears to go on forever.

Six beautiful wooden giants are hidden around Copenhagen.

A small town Romanian cemetery filled with darkly humorous gravestones.

Copenhagen's celebrated theme park and gardens.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

Cold storage for agricultural biodiversity.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

Two stunning 17th-century libraries and a cabinet of curiosities.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Former WWI oil tanker played a variety of roles in history, its tantalizing rum-flavored scent being the only constant.

The gaunt visage of this angular Christ giant is enough to put the fear of God into all who see it.

One of the largest ossuaries in Spain is packed from floor to ceiling with bones.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

Houses are tucked between, on, and underneath giant boulders.